Will Cape Town be the first city to run out of water? Is "Global Warming" responsible for this?

Cape Town, home to Table Mountain, African penguins, sunshine and sea, is a world-renowned tourist destination. But it could also become famous for being the first major city in the world to run...

01 February 2018 6,638 12 View

Will withdrawal of United States from the Paris Climate Agreement have any direct effect on global warming and climate change over a long run?

ON JUNE 1, 2017, U.S. PRESIDENT DONALD TRUMP ANNOUNCED HE WILL WITHDRAW THE UNITED STATES FROM THE PARIS CLIMATE AGREEMENT. IN SPITE OF THIS ANNOUNCEMENT, THE FACT REMAINS THAT A GLOBAL CLIMATE...

01 February 2018 5,489 4 View

Clay minerals as source of Fluoride in groundwater?

Can someone suggest me some specific clay minerals such as zeolites, kaolinite etc that can be the lead to release of high fluoride in groundwater. The study area is an alluvial deposits and...

01 February 2018 4,823 9 View

"Climate change: Alpine shrubs as ecosystem engineers". Please put some light in this matter?

Climate warming promotes shrub cover and range expansion via landscape flammability, snow accumulation and nutrient cycling feedbacks for more detail related to this article follow the link...

11 December 2017 4,988 2 View

Logistic regression in ARCGIS software?

05 June 2017 1,573 0 View

Open source software for 3D aquifer mapping

05 June 2017 887 0 View

Aquifer mapping using Rockworks - 16 software

any suggestion on step-wise procedure on 3D- aquifer mapping. i have drilling data of seven locations but i am unable to plot a 3D map.

01 January 1970 3,631 3 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

How to extract water soluble amino compound from after aqueous work up?

4-Dimethyl amino pyridine is used in reaction.Product formed contains amino group along with amide & is highly water soluble. To remove 4-DMAP aqueous work up done. Please give solution. Thanks.

21 February 2021 1,883 1 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View